Follicles that are 20 x 16mm in size are dominant follicles and may have reached a level close to a mature follicle.
The size of 20×16mm indicates that the follicle is better developed, already belongs to the dominant follicle, and may even have reached the degree close to the mature follicle, this period may be in the ovulation period or close to the ovulation period, the woman may discharge eggs in a short period of time.
If a woman’s follicles are 20 x 16mm, she needs daily follicle monitoring tests, which can clarify the specific time of ovulation. If she wants to get pregnant, she can appropriately increase the frequency of coitus before and after the discharge of eggs, which will help to improve the chances of pregnancy. If you do not want to get pregnant, you need to do a good job of safe contraception.